RE: decline of customer service

2006-09-26 Thread Brian Johnson
> -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Philip Lavine > Sent: Monday, September 25, 2006 11:50 PM > To: nanog > Subject: decline of customer service > > > Times have changed, > > My experience has been recently that ISP's and ASP's hav

Re: icmp rpf

2006-09-26 Thread Jared Mauch
On Tue, Sep 26, 2006 at 01:41:52PM -0400, Patrick W. Gilmore wrote: > For instance, how many networks are in full compliance with BCP38? I've been working towards this on our network for some time but have been hindered by vendor.. uhm, features^Wbugs. eg: halving the TCAM with rpf enabl

Re: icmp rpf

2006-09-26 Thread Patrick W. Gilmore
On Sep 26, 2006, at 11:57 AM, Mark Kent wrote: I asked: Who among AS1239, AS701, AS3356, AS7018, AS209 does loose RPF (not just strict RPF on single-homed customers)? and Patrick answered: I'm wondering why that is relevant. It's relevant because it was suggested that loose RPF should be

Re: icmp rpf

2006-09-26 Thread Mark Kent
I asked: > Who among AS1239, AS701, AS3356, AS7018, AS209 does loose RPF > (not just strict RPF on single-homed customers)? and Patrick answered: >> I'm wondering why that is relevant. It's relevant because it was suggested that loose RPF should be a "best common practice" so I was curious whic

Bad cross post

2006-09-26 Thread brett
My apologies to the list for my forward post from the DA list. I was wading through nanog mail and simply not paying attention to subject tags when I replied. Completely unintentional. -b -- sent from my blackberry (typing with thumbs)

Re: Comcast contact

2006-09-26 Thread Peter Cohen
Anshuman: A good place to start for operational contacts is both the puck.nether.net site and the www.peeringdb.com. i found this: http://puck.nether.net/netops/nocs.cgi?ispname=comcast and this: (you can log in as a guest)... https://www.peeringdb.com/private/participant_view.php?id=822 now go

Re: icmp rpf

2006-09-26 Thread Fernando Gont
At 10:06 25/09/2006, Ian Mason wrote: One of the largest North American network providers filters/drops ICMP messages so that they only pass those with a source IP address that appears in their routing table. This is clearly reasonable as part of an effort to mitigate ICMP based network abuse

2005-02 implementation: IP assignments for anycasting DNS

2006-09-26 Thread leo vegoda
Dear Colleagues, Following a request, this announcement is being sent to a few ops focused mailing lists. We are pleased to announce that we will be able to accept e-mailed requests for assignments for anycasting DNS servers from 2 October 2006. The request form and supporting notes will be avail

Re: TCP receive window set to 0; DoS or not?

2006-09-26 Thread Fernando Gont
At 21:55 08/09/2006, Jim Shankland wrote: Travis Hassloch <[EMAIL PROTECTED]> writes: > The part where it becomes a DoS is when they tie up all the listeners > on a socket (e.g. apache), and nothing happens for several minutes until > their connections time out. Whether intentional or not, it

the anti botnet market for ISPs and corporate networks

2006-09-26 Thread Gadi Evron
Is here. Several companies are rehearsing their old products and buzzwording them for DDoS mitigation or botnets, but not Trend Micro. Trend Micro released a brand new product, implemented with the novel idea of utilizing DNS to detect bots on an ISP or corporate network. Whether by massive requ

Re: icmp rpf

2006-09-26 Thread Tony Rall
On Monday, 2006-09-25 at 10:09 MST, Mark Kent <[EMAIL PROTECTED]> wrote: > Mark Smith replied with two paragraphs, but it's not 100% clear to me > that he got the reason why I asked. I asked because his initial statement > boiled down to "numbering on un-announced space breaks PMTUD"... > but

Re: icmp rpf

2006-09-26 Thread Jared Mauch
On Tue, Sep 26, 2006 at 12:17:27AM -0700, Tony Rall wrote: > > On Monday, 2006-09-25 at 10:09 MST, Mark Kent <[EMAIL PROTECTED]> > wrote: > > Mark Smith replied with two paragraphs, but it's not 100% clear to me > > that he got the reason why I asked. I asked because his initial > statement >

Re: [da] news: Trend Micro launches anti-botnet service

2006-09-26 Thread Fergie
First, I think that forwarding messages from a private list is something that is frowned upon. Secondly -- and speaking as a Trend employee and someone intimately involved in the ICSS/BASE project -- we don't talk/play in the BGP traffic stream. We simply reap potential target data from a BGP/Ori